Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual campo foi comissionado em 1958, 2005?
 ###Tabelas: CREATE TABLE list_of_counties (list_of_counties_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Irish name VARCHAR, County town VARCHAR, Most populous city/town VARCHAR, Province VARCHAR, Region VARCHAR) CREATE TABLE list_of_geothermal_power_stations (list_of_geothermal_power_stations_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Location VARCHAR, Field VARCHAR, Capacity (MW) INT, Annual Generation (average GWh) VARCHAR, Commissioned VARCHAR) CREATE TABLE winners_by_team (winners_by_team_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Club VARCHAR, Winners INT, Runners-up INT, Third INT) CREATE TABLE modern_competition (modern_competition_id AUTO_INCREMENT PRIMARY KEY, Driver VARCHAR, Navigator VARCHAR, Vehicle VARCHAR, Class VARCHAR, Capacity INT, Total Time VARCHAR, Margin VARCHAR) CREATE TABLE delaware_ice_hockey_teams (delaware_ice_hockey_teams_id AUTO_INCREMENT PRIMARY KEY, School VARCHAR, Nickname VARCHAR, Colors VARCHAR, League VARCHAR, Class VARCHAR, Division VARCHAR)  
SELECT Field FROM list_of_geothermal_power_stations WHERE Commissioned = 1958, 2005